Andrew Wilson's Blog

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Azure Function Apps | OkObjectResult Returns Empty JSON After Moving to .NET 9 Isolated Worker Runtime

The Problem I recently upgraded an Azure Function from .NET 8 to .NET 9, and at the same time migrated from the in-process worker to the isolated worker model. After the upgrade, my function that returned OkObjectResult started returning an empty JSON object {} instead of the expected data. …

Posted by Andrew Wilson on Wednesday, December 3, 2025

Key Vault Reference | Logic and Function Apps using User-Assigned Managed Identity

Overview Prior to the Christmas break I was involved in writing some integrations that used a mixture of Logic Apps Standard and Function Apps. It was agreed as part of the architecture that user-assigned identities would be the best fit. As part of the implementation, I observed that the …

Posted by Andrew Wilson on Monday, January 6, 2025

Easy Auth | Function App with Azure API Management

Overview The recent work that I have been doing with Function Apps and linking them as backends to Azure API Management has relied on the use of the Function Apps Function SAS key for security. This is a valid authentication approach, but there are risks that you need to be aware of as well as best …

Posted by Andrew Wilson on Thursday, November 14, 2024

Azure API Management | Function App Backend

Overview Following on from a previous set of posts from earlier this year where I detailed how to securely implement Logic App Standard backends in Azure API Management, there has been questions on how this would be achieved in a similar manner with Azure Function Apps. To read-up on how this was …

Posted by Andrew Wilson on Tuesday, October 1, 2024

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Andrew Wilson
Husband - Father - Microsoft Azure MVP - Chief Consulting Officer @ Black Marble

Has a passion for creating software [especially solution integrations] that help others execute their jobs faster and more efficiently.

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